2004 Mercedes C 180k — MOT History by Age

How cars manufactured in 2004 perform at MOT as they age

22 years

Current Age

56.1%

Latest Pass Rate

83,803

Total Tests (All Years)

106,016 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 16

This car: 56.1%

Average: 52.7%

✅ 3.4% above average (10212 models compared)

How This Car Ages

Pass rate progression for the 2004 Mercedes C 180k as it ages.

5 yrs71.2%

→ ↓3.1%

6 yrs68.1%

→ ↓2.9%

7 yrs65.2%

→ ↓3.2%

8 yrs62.0%

→ ↓3.3%

9 yrs58.7%

→ ↑0.3%

10 yrs59.0%

→ ↓0.6%

11 yrs58.4%

→ ↓0.4%

12 yrs58.0%

→ ↑0.7%

13 yrs58.7%

→ ↓0.2%

14 yrs58.5%

→ ↓2.2%

15 yrs56.3%

→ ↓0.2%

16 yrs56.1%

📊 View as table

Age	Pass Rate	Tests
5 yrs	71.2%	9,708
6 yrs	68.1%	9,445
7 yrs	65.2%	9,571
8 yrs	62.0%	9,373
9 yrs	58.7%	9,269
10 yrs	59.0%	9,150
11 yrs	58.4%	8,877
12 yrs	58.0%	8,473
13 yrs	58.7%	3,500
14 yrs	58.5%	2,287
15 yrs	56.3%	2,156
16 yrs	56.1%	1,994

Pass Rate Trend

How the 2004 Mercedes C 180k pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (16 yrs)	56.1%	1,994
2019 (15 yrs)	56.3%	2,156
2018 (14 yrs)	58.5%	2,287
2017 (13 yrs)	58.7%	3,500
2016 (12 yrs)	58%	8,473
2015 (11 yrs)	58.4%	8,877
2014 (10 yrs)	59%	9,150
2013 (9 yrs)	58.7%	9,269
2012 (8 yrs)	62%	9,373
2011 (7 yrs)	65.2%	9,571
2010 (6 yrs)	68.1%	9,445
2009 (5 yrs)	71.2%	9,708

Year-by-Year MOT Results

2009

71.2%

Age (yrs) 5Tests 9,708Avg Mileage 47,954Top Failure Tyres — 11.6%

2010

68.1%

Age (yrs) 6Tests 9,445Avg Mileage 55,084Top Failure Tyres — 12.8%

2011

65.2%

Age (yrs) 7Tests 9,571Avg Mileage 62,134Top Failure Suspension — 15.8%

2012High Fail Rate

62.0%

Age (yrs) 8Tests 9,373Avg Mileage 68,815Top Failure Suspension — 20.5%

2013High Fail Rate

58.7%

Age (yrs) 9Tests 9,269Avg Mileage 74,899Top Failure Suspension — 45.9%

2014High Fail Rate

59.0%

Age (yrs) 10Tests 9,150Avg Mileage 81,405Top Failure Suspension — 49.2%

2015High Fail Rate

58.4%

Age (yrs) 11Tests 8,877Avg Mileage 87,300Top Failure Suspension — 52.7%

2016High Fail Rate

58.0%

Age (yrs) 12Tests 8,473Avg Mileage 92,494Top Failure Suspension — 53.9%

2017High Fail Rate

58.7%

Age (yrs) 13Tests 3,500Avg Mileage 97,949Top Failure Suspension — 57.0%

2018High Fail Rate

58.5%

Age (yrs) 14Tests 2,287Avg Mileage 100,598Top Failure Suspension — 61.0%

2019High Fail Rate

56.3%

Age (yrs) 15Tests 2,156Avg Mileage 103,893Top Failure Suspension — 66.7%

2020High Fail Rate

56.1%

Age (yrs) 16Tests 1,994Avg Mileage 106,016Top Failure Suspension — 71.0%

MOT results for 2004 Mercedes C 180k by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	5	71.2%	9,708	47,954	Tyres — 11.6%
2010	6	68.1%	9,445	55,084	Tyres — 12.8%
2011	7	65.2%	9,571	62,134	Suspension — 15.8%
2012	8	62.0%	9,373	68,815	Suspension — 20.5%
2013	9	58.7%	9,269	74,899	Suspension — 45.9%
2014	10	59.0%	9,150	81,405	Suspension — 49.2%
2015	11	58.4%	8,877	87,300	Suspension — 52.7%
2016	12	58.0%	8,473	92,494	Suspension — 53.9%
2017	13	58.7%	3,500	97,949	Suspension — 57.0%
2018	14	58.5%	2,287	100,598	Suspension — 61.0%
2019	15	56.3%	2,156	103,893	Suspension — 66.7%
2020	16	56.1%	1,994	106,016	Suspension — 71.0%

Common MOT Failures

Top failure categories across all test years for 2004 Mercedes C 180k, with age trends.

Suspension

42.7%

↑ Increases with age

Lamps, reflectors and electrical equipment

31.9%

↑ Increases with age

Brakes

30.1%

↑ Increases with age

Tyres

22.8%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

20.4%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Suspension	7.5% (5 yrs)	71.0% (16 yrs)	+63.5%	🔴 ↑
Brakes	8.0% (5 yrs)	52.1% (16 yrs)	+44.1%	🔴 ↑
Tyres	11.6% (5 yrs)	33.8% (16 yrs)	+22.2%	🔴 ↑

Other Manufacture Years

2002 2003 2004 2005 2006 2007 2008 2009 2010 2011

← Back to Mercedes C 180k overview

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About This Data

This page shows how Mercedes C 180k cars manufactured in 2004 perform at MOT as they age. Data spans from 2009 to 2020, covering 83,803 tests. Pass rates naturally decline with age as components wear.

Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.